Finding the Fourth Proportional to 11,082,255.47, 15,292,869.98 and 6,187,787.44
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Solution
The fourth proportional to 11,082,255.47, 15,292,869.98 and 6,187,787.44 is: 8,538,787.89
Step by Step Solution
- Step 1: Write the proportion equation
11,082,255.47 : 15,292,869.98 = 6,187,787.44 : x - Step 2: Convert to fraction form
11,082,255.47/15,292,869.98 = 6,187,787.44/x - Step 3: Cross multiply
11,082,255.47x = 15,292,869.98 × 6,187,787.44 - Step 4: Simplify right side
11,082,255.47x = 94,629,028,771,974.20 - Step 5: Solve for x
x = 94,629,028,771,974.20/11,082,255.47 - Step 6: Final answer
x = 8,538,787.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.